CN102787405A - Hollow spindle with spiral guide grooves - Google Patents

Hollow spindle with spiral guide grooves Download PDF

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Publication number
CN102787405A
CN102787405A CN2012102639097A CN201210263909A CN102787405A CN 102787405 A CN102787405 A CN 102787405A CN 2012102639097 A CN2012102639097 A CN 2012102639097A CN 201210263909 A CN201210263909 A CN 201210263909A CN 102787405 A CN102787405 A CN 102787405A
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hollow spindle
spiral
height
guide channel
yarn
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CN2012102639097A
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CN102787405B (en
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邹专勇
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University of Shaoxing
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University of Shaoxing
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The invention discloses a hollow spindle with spiral guide grooves and belongs to the technical field of a hollow spindle of a twisting device. The hollow spindle is divided into an upper part, a middle part and a lower part, wherein the outer surface extending from a fiber inlet at the upper part to the bottom end at the middle part is provided with three to twelve guide grooves, the guide grooves are in a spiral shape, the groove depth of the guide grooves is 0 to 1.2mm, the groove width of the guide grooves is 0.05 to 12mm, the rotating spiral angle of the center line of the guide grooves is 30 to 120 degrees, the fiber inlet is in a structure subjected to chamfering smoothening treatment, the height of the upper part of the hollow spindle is 5 to 8mm, the hemipyramid angle of the upper part is 5 degrees to 15 degrees, the diameter of a yarn guide passage is 0.8 to 1.4mm, the height of the middle part is 8 to 12mm, the height of the lower part is 5 to 9mm, and the inner diameter of an outlet of the hollow spindle is 9 to 14mm. The hollow spindle has the advantages that the yarning forming is compact, the yarn levelness uniformity is good, the yarn strength is improved, and the hollow spindle adapts to beyber yarns and colored spun yarns of air jet vortex spinning.

Description

A kind of hollow spindle with spiral-guide groove
Technical field
The present invention relates to a kind of hollow spindle, belong to twisting apparatus hollow core spindle technical field with spiral-guide groove.
Background technology
Air-jet eddy-current spinning collection rove, spun yarn, winder coiling one, shortcoming such as it is bigger to have overcome in traditional twisting process parts revolution inertia, and twisting efficiency is lower utilizes the high speed swirling eddy to twist free tail end fiber resultant yarn, and spinning speed is up to 450m/min; The yarn that makes has dual structure, is made up of core fibre and outer looping fiber, has the outward appearance of ring spinning, but outer looping spiral fiber is tight not as machinery control looping, and yarn strength is powerful high not as ring spinning line.
Improve the powerful way of air-jet eddy-current spinning yarn except that being optimized to the yarn process parameter, also can be through hollow spindle morphosis in the twisting chamber is designed, make wrapper fibre self have wrapped yarn body after certain twist, thereby improve yarn strength.
Chinese invention patent CN 101476180 B; The denomination of invention self-twisting hollow ingot special for jet air vortex spinning; As shown in Figure 1; Hollow spindle 1a comprises fiber entry 11a and hollow spindle passage 12a, it is characterized in that having Surface Groove 13a on fiber entry 11a and the hollow spindle passage 12a, and the inner surface of Surface Groove 13a is linear or camber line shape.Inlet surface groove 13a helps to increase the frictional force of free tail end fiber and hollow spindle 1a inlet, thereby makes fiber when hollow spindle 1a rotates, self producing certain rotation, finally causes yarn texture tight, and yarn strength is increased; But should invent the action rule of considering twisting chamber swirling eddy and hollow spindle outer surface; Do not consider that the free tail end lodging of fiber is in the actual conditions of hollow spindle inlet outer surface in the twisting chamber yet; Fiber produces the DeGrain that self rotates when hollow spindle 1a rotates; Yarn texture is loose, and brute force is not high, the resultant yarn evenness fault.
Summary of the invention
The purpose of this invention is to provide a kind of have spiral-guide groove, resultant yarn consolidation, high, the dried uniform hollow spindle of bar of intensity.
The technical scheme that realization the object of the invention is taked is following:
A kind of hollow spindle with spiral-guide groove; Be divided into the upper, middle and lower, top offers fiber entry and yarn-guiding duct, and the bottom is " protruding " font structure; Described fiber entry is the slick and sly structure of chamfering; Outer surface at top and middle part evenly is provided with guide channel, and guide channel extends to the bottom at middle part from the fiber entry on top, and guide channel is a spirality.
Described middle part is provided with little endoporus, big endoporus and conical cavity, and the bottom is provided with the hollow spindle outlet, and yarn-guiding duct, little endoporus, big endoporus, conical cavity and hollow spindle outlet are communicated with.
The hand of spiral of described guide channel is consistent with yarn-guiding duct and the interior rotation of cavity air current flow direction, can be clockwise helical form, also can be counterclockwise helical form.
The spiral angle that the center line of described guide channel turns over θIt is 30 ~ 120 °.
The groove width L of described guide channel is 0.05 ~ 12mm, increases progressively continuously from the outer surface of fiber entry 11 to the middle part;
The groove depth h of described guide channel is 0 ~ 1.2mm, increases progressively continuously from the outer surface of fiber entry 11 to the middle part.
Described guide channel has 3 ~ 12.
Described upper height H 1Be 5 ~ 8mm, the semi-cone angle on top δBe 5 ° ~ 15 °, the diameter D of top and junction, middle part 1Be 4.8 ~ 8mm, yarn-guiding duct diameter D 2Be 0.8 ~ 1.4mm, the middle part height H 2Be 8 ~ 12mm, little diameter of bore D 3Be 3 ~ 5mm, height H 3Be 2 ~ 3mm; Big diameter of bore D 4Be 4 ~ 7mm, height H 4Be 2 ~ 3mm; The height H of conical cavity 5Be 3 ~ 6mm; The bottom is " protruding " font structure, the spacing H of the bottom at middle part and bottom convex surface 6Be 3 ~ 5mm, lower height H 7Be 5 ~ 9mm, hollow spindle outlet inside diameter D 5Be 9 ~ 14mm, hollow spindle outlet height H 8Be 5 ~ 10mm.
Described hollow spindle is a ceramic material.
Compared with prior art, the invention has the beneficial effects as follows:
Outer surface has guide channel in the hollow spindle middle and upper part in the present invention, and the slick and sly processing of chamfering is all carried out at the position, corner, utilizes the flowing law of high speed swirling eddy in the twisting chamber; And the free tail end of fiber lodges in the actual conditions of fiber entry outer surface in the combination twisting chamber; What guaranteed air-flow in the twisting chamber has rule mobile, makes free tail end fiber under the effect of tangential gas flow, can slip into guide channel smoothly, under the effect of tangential gas flow, skids off guide channel again smoothly; Fiber self upset is produced to be reversed; Help changing interfibrous relative position, take place between fiber to intert each other, tangle ability thereby improved interfibrous obvolvent; Last fiber rotates back wrapped yarn body and is able to fix around the hollow spindle central axis, and it is powerful to adopt hollow spindle of the present invention to help improving the air-jet eddy-current spinning yarn; The spiral angle of guide channel θ, groove width L and groove depth h change can bring fiber to reverse and fiber between intert the difference of degree each other, thereby obtain the different air-jet eddy-current spinning yarn texture of style, thereby the product that obtains is fit to the development requirement of air-jet eddy-current spinning gray yarn and look spinning.
Among the present invention, the central point of yarn-guiding duct is tangent line a, b to the center line of adjacent two guide channels respectively, and the angle between tangent line a, the b is spiral angle θ.
Description of drawings
Fig. 1 is the self-twisting hollow ingot special for jet air vortex spinning profile of existing invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is a vertical view of the present invention;
Fig. 5 is a cross section view of the present invention.
Wherein, 1-hollow spindle, 1A-top, 1B-middle part, 1C-bottom, 11-fiber entry, 12-yarn-guiding duct, 13-guide channel, the little endoporus of 14-, the big endoporus of 15-, 16-cavity, the outlet of 17-hollow spindle;
D 11A bottom ,-top diameter, D 2The diameter of-yarn-guiding duct 12, D 3-little endoporus 14 diameters, D 4-big endoporus 15 diameters, D 5The internal diameter of-hollow spindle outlet 17, H 1The height of-top 1A, H 2-middle part 1B height, H 3The height of-little endoporus 14, H 4The height of-big endoporus 15, H 5-conical cavity height, H 6The spacing of the bottom of-middle part 1B and bottom 1C convex surface, H 7-bottom 1C height, H 8-hollow spindle outlet 17 height, δ-semi-cone angle, θ-spiral angle, L-groove width, h-groove depth;
1a, hollow spindle; 11a, fiber entry; 12a, hollow spindle passage; 13a, Surface Groove.
The specific embodiment
Embodiment 1
Fig. 2,3, a kind of hollow spindle with spiral-guide groove of 4 the present invention are divided into top 1A, middle part 1B and bottom 1C, top 1A height H 1Be 5.8mm, the semi-cone angle of top 1A δBe 8 °, top 1A offers fiber entry 11 and yarn-guiding duct 12, and the outer surface of top 1A and middle part 1B evenly is provided with 6 guide channels 13, and fiber entry 11 is the structure through the chamfering slyness, 1A bottom, top diameter D 1Be 4.8mm, yarn-guiding duct 12 diameter D 2Be 1.0mm; Middle part 1B is provided with little endoporus 14, big endoporus 15 and cavity 16, middle part 1B height H 2Be 9.2mm, little endoporus 14 diameter D 3Be 3mm, little endoporus 14 height H 3Be 2mm, big endoporus 15 diameter D 4Be 4mm, big endoporus 15 height H 4Be 2mm, conical cavity 16 height H 5Be 4.5mm; Bottom 1C is " protruding " font structure, and bottom 1C is provided with hollow spindle outlet 17, and little endoporus 14, big endoporus 15 and cavity 16 and hollow spindle outlet 17 communicate, and it is D that hollow spindle exports 17 internal diameters 5Be 11mm, the spacing H of the bottom of middle part 1B and bottom 1C convex surface 6Be 3.2mm, bottom 1C height H 7Be 5.6 mm, hollow spindle outlet height H 8Be 5.9 mm.
In conjunction with Fig. 5, the fiber entry 11 of guide channel 13 1A from top extends to the bottom of middle part 1B, and guide channel 13 is a spirality, the spiral angle that the center line of guide channel 13 turns over θIt is 60 °; The groove width L of guide channel 13 is 0.08 ~ 6mm; The groove width L of guide channel 13 begins to broaden gradually to middle part 1B outer surface from fiber entry 11, and the groove depth h of guide channel 13 is 0 ~ 0.5mm, and the groove depth h of guide channel 13 begins to deepen gradually to middle part 1B outer surface from fiber entry 11.
Adopt hollow spindle of the present invention can make yarn strength bring up to 3 ~ 10%, become that sliver is dried to be controlled in 16%.
Embodiment 2
Present embodiment principle and other setting are identical with embodiment 1, and difference is:
Top 1A height H 1Be 6.4mm, the semi-cone angle of top 1A δBe 10 °, guide channel 13 is 6,1A bottom, top diameter D 1Be 5.5mm, yarn-guiding duct 12 diameter D 2Be 1.2mm; Middle part 1B height H 2Be 10.2mm, little endoporus 14 diameter D 3Be 3.6mm, little endoporus 14 height H 3Be 2.4mm, big endoporus 15 diameter D 4Be 4.8mm, big endoporus 15 height H 4Be 2.6mm, conical cavity 16 height H 5Be 4.8mm; Hollow spindle exports 17 inside diameter D 5Be 10.2mm, the spacing H of the bottom of middle part 1B and bottom 1C convex surface 6Be 3.6mm, bottom 1C height H 7Be 7.2mm, hollow spindle outlet height H 8Be 7.2 mm; The spiral angle that the center line of guide channel 13 turns over θBe 90 °, the groove width L of guide channel 13 is 0.1 ~ 8mm, and the groove depth h of guide channel 13 is 0 ~ 0.8mm.
Adopt hollow spindle of the present invention can make yarn strength bring up to 2 ~ 10%, become that sliver is dried to be controlled in 16%.
Embodiment 3
Present embodiment principle and other setting are identical with embodiment 1, and difference is:
Guide channel 13 is 3,1A bottom, top diameter D 1Be 6.8mm, the diameter D of yarn-guiding duct 12 2Be 1.4mm, little endoporus 14 diameter D 3Be 4.2mm, big endoporus 15 diameter D 4Be 5.6mm, hollow spindle exports 17 inside diameter D 5Be 12mm, top 1A height H 1Be 6.8mm, the semi-cone angle of top 1A δBe 12 °, middle part 1B height H 2Be 11.4mm, little endoporus 14 height H 3Be 2.2mm, big endoporus 14 height H 4Be 2.8mm, conical cavity 16 height H 5Be 5.2mm, the spacing H of the bottom of middle part 1B and bottom 1C convex surface 6Be 4.3mm, bottom 1C height H 7Be 9 mm, hollow spindle outlet height H 8Be 8.6 mm; The spiral angle that the center line of guide channel 13 turns over θBe 120 °, the groove width L of guide channel 13 is 0.1 ~ 10mm, and the groove depth h of guide channel 14 is 0 ~ 1mm.
Adopt hollow spindle of the present invention can make yarn strength bring up to 2 ~ 9%, become that sliver is dried to be controlled in 16%.
Embodiment 4
Present embodiment principle and other setting are identical with embodiment 1, and difference is:
Guide channel 13 is 12,1A bottom, top diameter D 1Be 8mm, the diameter D of yarn-guiding duct 12 2Be 0.8mm, little endoporus 14 diameter D 3Be 5mm, big endoporus 15 diameter D 4Be 7mm, hollow spindle exports 17 inside diameter D 5Be 9mm, top 1A height H 1Be 5mm, the semi-cone angle of top 1A δBe 5 °, middle part 1B height H 2Be 8mm, little endoporus 14 height H 3Be 3mm, big endoporus 14 height H 4Be 3mm, conical cavity 16 height H 5Be 3mm, the spacing H of the bottom of middle part 1B and bottom 1C convex surface 6Be 3mm, bottom 1C height H 7Be 5mm, hollow spindle outlet height H 8Be 5 mm; The spiral angle that the center line of guide channel 13 turns over θBe 30 °, the groove width L of guide channel 13 is 0.05 ~ 4mm, and the groove depth h of guide channel 14 is 0 ~ 1.2mm.
Adopt hollow spindle of the present invention can make yarn strength bring up to 2 ~ 8%, become that sliver is dried to be controlled in 17%.
Embodiment 5
Present embodiment principle and other setting are identical with embodiment 4, and difference is:
Guide channel 13 is 6,1A bottom, top diameter D 1Be 5mm, hollow spindle exports 17 inside diameter D 5Be 14mm, top 1A height H 1Be 8mm, the semi-cone angle of top 1A δBe 15 °, conical cavity 16 height H 5Be 6mm, the spacing H of the bottom of middle part 1B and bottom 1C convex surface 6Be 5mm, hollow spindle outlet height H 8Be 10mm; The groove width L of guide channel 13 is 0.12 ~ 12mm.
Adopt hollow spindle of the present invention can make yarn strength bring up to 3 ~ 10%, become that sliver is dried to be controlled in 16%.

Claims (10)

1. hollow spindle with spiral-guide groove; Be divided into the upper, middle and lower, top offers fiber entry and yarn-guiding duct, and the bottom is provided with the hollow spindle outlet; It is characterized in that: the outer surface at described top and middle part is provided with some guide channels, and guide channel is a spirality.
2. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: described guide channel extends to the bottom at middle part from the fiber entry on top.
3. a kind of hollow spindle with spiral-guide groove according to claim 2 is characterized in that: described guide channel groove depth is 0 ~ 1.2mm, increases progressively continuously from the outer surface of fiber entry to the bottom, middle part; The groove width of guide channel is 0.05 ~ 12mm, increases progressively continuously from the outer surface of fiber entry to the bottom, middle part.
4. a kind of hollow spindle with spiral-guide groove according to claim 2 is characterized in that: described guide channel has 3 ~ 12.
5. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: the hand of spiral of described guide channel is consistent with the flow direction of swirling eddy in the yarn-guiding duct.
6. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: the spiral angle that the center line of described guide channel turns over is 30 ~ 120 °.
7. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: described fiber entry is through the slick and sly structure of handling of chamfering.
8. a kind of hollow spindle with spiral-guide groove according to claim 1, it is characterized in that: described hollow spindle is processed by ceramic material.
9. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: described upper height is 5 ~ 8mm, and the semi-cone angle on top is 5 ° ~ 15 °; The diameter of top and junction, middle part is 4.8 ~ 8mm; The yarn-guiding duct diameter is 0.8 ~ 1.4mm, and the middle part highly is 8 ~ 12mm, and lower height is 5 ~ 9mm; Hollow spindle outlet internal diameter is 9 ~ 14mm, and it is 5 ~ 10mm that hollow spindle goes out open height.
10. a kind of hollow spindle with spiral-guide groove according to claim 1 is characterized in that: described middle part is provided with little endoporus, big endoporus and conical cavity, and wherein, little diameter of bore is 3 ~ 5mm, highly is 2 ~ 3mm; Big diameter of bore is 4 ~ 7mm, highly is 2 ~ 3mm; The height of conical cavity is 3 ~ 6mm.
CN201210263909.7A 2012-07-27 2012-07-27 Hollow spindle with spiral guide grooves Active CN102787405B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103215704A (en) * 2013-04-09 2013-07-24 东华大学 Ring spinning device with pre-twisting device and method
CN108018625A (en) * 2017-12-20 2018-05-11 东华大学 Fiber guide body and its manufacture method in air injection air vortex spinning apparatus
CN108360105A (en) * 2018-04-27 2018-08-03 南通神马线业有限公司 A kind of multifunctional terylene silk doubling is twisted thread all-in-one machine
EP4357499A1 (en) * 2022-09-28 2024-04-24 Murata Machinery, Ltd. Hollow guide shaft, pneumatic spinning device, and spinning machine
EP4357498A3 (en) * 2022-09-28 2024-07-10 Murata Machinery, Ltd. Hollow guide shaft, pneumatic spinning device, spinning machine, and hollow guide shaft set

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GB1474708A (en) * 1973-10-24 1977-05-25 Vyzk Ustav Baslnarsky Withdrawing air from the interior of a spinning chamber of an open-end spinning unit
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CN101294319A (en) * 2008-05-26 2008-10-29 东华大学 Spinning apparatus with air injection whirling current for lowering fibre
CN100467685C (en) * 2001-05-18 2009-03-11 村田机械株式会社 Spinning appuratus and method and hollow guide shaft member for spinning
CN101476180A (en) * 2009-01-23 2009-07-08 东华大学 Self-twisting hollow ingot special for jet air vortex spinning
CN102517697A (en) * 2011-10-10 2012-06-27 东华大学 Fiber self-twisting hollow ingot in air-jet vortex spinning

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GB1474708A (en) * 1973-10-24 1977-05-25 Vyzk Ustav Baslnarsky Withdrawing air from the interior of a spinning chamber of an open-end spinning unit
US4319449A (en) * 1979-09-28 1982-03-16 Schubert & Salzer Open end spinning rotor comprising a main body and a rotor body
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JP2007138340A (en) * 2005-11-18 2007-06-07 Murata Mach Ltd Spinning apparatus for long fiber
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103215704A (en) * 2013-04-09 2013-07-24 东华大学 Ring spinning device with pre-twisting device and method
CN103215704B (en) * 2013-04-09 2016-02-17 东华大学 A kind of ring spinning apparatus and method carrying pre-twister
CN108018625A (en) * 2017-12-20 2018-05-11 东华大学 Fiber guide body and its manufacture method in air injection air vortex spinning apparatus
CN108360105A (en) * 2018-04-27 2018-08-03 南通神马线业有限公司 A kind of multifunctional terylene silk doubling is twisted thread all-in-one machine
EP4357499A1 (en) * 2022-09-28 2024-04-24 Murata Machinery, Ltd. Hollow guide shaft, pneumatic spinning device, and spinning machine
EP4357498A3 (en) * 2022-09-28 2024-07-10 Murata Machinery, Ltd. Hollow guide shaft, pneumatic spinning device, spinning machine, and hollow guide shaft set

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